most recent 30 from http://mathoverflow.net 2013-05-23T06:15:20Z http://mathoverflow.net/feeds/question/80830 http://www.creativecommons.org/licenses/by-nc/2.5/rdf http://mathoverflow.net/questions/80830/ring-of-cohomology-de-rham-grassmannian sani 2011-11-13T17:14:03Z 2011-11-13T18:00:24Z

<p>For grassmannian manifold G_2(R^{2^{r}+2}), how can i show H^{2}(G_2(R^{2^{r}+2}))=Z_2+Z_2 ? in ring of cohomology Whit coefficients Z_2!</p>